Effect of crystallographic orientations on the corrosion resistance of Fe-17Cr ferritic stainless steel

被引：29

作者：

Fu, Junwei ^{[1
]}

Li, Feng ^{[1
]}

Sun, Jiajun ^{[1
]}

Cui, Kai ^{[1
]}

Du, Xiaodong ^{[1
]}

Wu, Yucheng ^{[1
,2
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

[2] Natl Local Joint Res Ctr Nonferrous Met Mat & Pro, Hefei 230009, Anhui, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2019年 / 841卷

基金：

中国国家自然科学基金;

关键词：

EBSD; Orientation; Texture; Corrosion resistance; Ferritic stainless steel; CHARACTER-DISTRIBUTION; MECHANICAL-PROPERTIES; GRAIN-BOUNDARY; TEXTURE; MICROSTRUCTURE; BEHAVIOR; FORMABILITY; EVOLUTION; SIZE;

D O I：

10.1016/j.jelechem.2019.04.031

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Effect of crystallographic orientations on the corrosion resistance of the Fe-17Cr ferritic stainless steel sheets was investigated by electron backscatter diffraction and electrochemical measurements. Nearly homogeneous {111} < 112 > gamma-fiber recrystallization texture is produced in the Fe-17Cr ferritic stainless steel sheets. Comparison between the inverse pole figure orientation map and scanning electron microscopy microstructures etched by aqua regia reveals that the severest corrosion occurs on the sheet rolling surface where {111} crystal plane dominates. Electrochemical measurements demonstrate that the plane perpendicular to transverse direction displays the lowest corrosion current density. This indicates that this plane, where {110} plane dominates, exhibits the best corrosion resistance.

引用

页码：56 / 62

页数：7

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